The same movement, scored two ways: one fixed target for every child, or a target learned from this child's own face. Runs entirely in your browser.
Nothing is uploaded.Frames are read by the model inside this tab and thrown away.
One absolute value for everyone. A weak side may never reach it, however hard the child tries.
Each side is measured against its own resting face and its own best. Beating yourself counts as winning.
The buddy has it too. One side of its face is stiff, and it loosens up only as the child's own best rises — so nobody practises alone in front of a mirror.